*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 微软雅黑;
}
body{
    background-color: #3498db;
}
.card{
    width: 800px;
    height: 600px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    overflow: hidden;
}
.price{
    position: absolute;
    top: 10px;
    right: 10px;
    color: #2980b9;
    font-size: 28px;
    font-weight: 800;
}
.show{
    width: 100%;
    height: 400px;
    background-color: #fff;
    text-align: center;
}
.show .base{
    margin: 20px 0;
    width: 50%;
    height: auto;
}
.nav{
    display: flex;
    justify-content: space-around;
}
.nav img{
    width: 25%;
    border: 2px solid #34495e;
    cursor: pointer;
    transform: .5s;
}
.nav img:hover{
    border-color: #3498db;
}
.info{
    background-color: #bdc3c7;
    padding: 10px 30px;
}
.name{
    text-transform: uppercase;
    letter-spacing: 5px;
    font-weight: 600;
    font-size: 24px;
}
.dis{
    text-transform: capitalize;
    margin: 10px 0;
}
.bt{
    background-color: #0984e3;
    margin:10px 0 ;
    border-radius: 2px;
    color:#fff;
    font-size: 20px;
    padding: 10px 0;
    text-align: center;
    cursor: pointer;
    transition: .6s;
}
.bt:hover{
    background-color: #00cec9;
}